const Koa = require('koa')
const app = new Koa()
const views = require('koa-views')
const json = require('koa-json')
const onerror = require('koa-onerror')
const bodyparser = require('koa-bodyparser')
const logger = require('koa-logger')
const index = require('./routes/index')
const users = require('./routes/users')
const setData = require('./routes/setData')
const WebSocketserve =require('./service/web_socket_service')
const MongoConnect =require('./db')
const koajwt = require('koa-jwt')
const log4js = require('./utils/log4')
WebSocketserve.listen()
// error handler
onerror(app)
// 连接数据库
MongoConnect()
// middlewares
app.use(bodyparser({
  enableTypes:['json', 'form', 'text']
}))
app.use(async (ctx, next) => {
  log4js.info(`get params:${JSON.stringify(ctx.request.query)}`)
  log4js.info(`post params:${JSON.stringify(ctx.request.body)}`)

  await next().catch((err => {
    if (err.status == 401) {
      ctx.status = 200,
        ctx.body = {
          code: 50001,
          msg: 'token 验证失败！'
        }
    } else {
      throw err
    }
  }))
})
//  token权限过滤
app.use(koajwt({ secret: 'hyhBillData' }).unless({
  path: [/^\/users\/login/, /^\/users\/regUser/]
})
)
app.use(json())
app.use(logger())
app.use(require('koa-static')(__dirname + '/public'))

app.use(views(__dirname + '/views', {
  extension: 'pug'
}))



// logger
app.use(async (ctx, next) => {
  const start = new Date()
  await next()
  const ms = new Date() - start
  // console.log(`${ctx.method} ${ctx.url} - ${ms}ms`)
})

// routes 
app.use(index.routes(), index.allowedMethods())
app.use(users.routes(), users.allowedMethods())
app.use(setData.routes(), setData.allowedMethods())
// error-handling
app.on('error', (err, ctx) => {
  console.error('server error', err, ctx)
});

module.exports = app
